Moderne licensed

Migrate JUL to SLF4J

Recipe IDorg.openrewrite.java.logging.slf4j.JulToSlf4jArtifactorg.openrewrite.recipe:rewrite-logging-frameworks

Migrates usage of Java Util Logging (JUL) to using SLF4J directly.

Composite recipeslf4jloggingjava-util-loggingMSAL

Add to your build

Get a download tokenThis recipe is Moderne licensed, so the token must belong to a Moderne customer. It replaces YOUR_DOWNLOAD_TOKEN below.

~/.gradle/gradle.properties

codeGenomeUsername=you@example.com
codeGenomeToken=YOUR_DOWNLOAD_TOKEN

build.gradle.kts

plugins {
    id("org.openrewrite.rewrite") version("latest.release")
}

rewrite {
    activeRecipe("org.openrewrite.java.logging.slf4j.JulToSlf4j")
}

repositories {
    mavenCentral()
    maven {
        url = uri("https://artifacts.codegenomeproject.org/maven")
        credentials {
            username = providers.gradleProperty("codeGenomeUsername").get()
            password = providers.gradleProperty("codeGenomeToken").get()
        }
    }
}

dependencies {
    rewrite("org.openrewrite.recipe:rewrite-logging-frameworks:3.34.0")
}

Then run

./gradlew rewriteRun

Usage

This recipe has no required configuration options. You’ll need the Moderne CLI configured before running the command below.

mod run . --recipe org.openrewrite.java.logging.slf4j.JulToSlf4j

If the recipe isn’t available locally, install it with:

mod config recipes jar install org.openrewrite.recipe:rewrite-logging-frameworks:RELEASE

Definition

This recipe runs the following recipes in order.

Replace JUL Logger creation with SLF4J LoggerFactoryorg.openrewrite.java.logging.slf4j.JulGetLoggerToLoggerFactory
Replace JUL active Level check with corresponding SLF4J method callsorg.openrewrite.java.logging.slf4j.JulIsLoggableToIsEnabledRecipes
Replace parameterized JUL level call with corresponding SLF4J method callsorg.openrewrite.java.logging.slf4j.JulParameterizedArguments
Replace JUL active Level check with corresponding SLF4J method callsorg.openrewrite.java.logging.slf4j.JulToSlf4jLambdaSupplierRecipes
Replace JUL log(Level, Throwable, Supplier<String>) with corresponding SLF4J method callsorg.openrewrite.java.logging.slf4j.JulToSlf4jLambdaSupplierWithThrowableRecipes
Replace JUL log(Level, String, Throwable) with corresponding SLF4J method callsorg.openrewrite.java.logging.slf4j.JulToSlf4jSimpleCallsWithThrowableRecipes
Replace JUL Level.ALL logging with SLF4J's trace levelorg.openrewrite.java.logging.slf4j.JulLevelAllToTraceRecipe
Migrate JUL to Log4j 2.x APIorg.openrewrite.java.logging.log4j.JulToLog4j
Migrate Log4j 2.x to SLF4J 1.xorg.openrewrite.java.logging.slf4j.Log4j2ToSlf4j1

Data tables

Structured output this recipe can produce.

Source files that had resultsSource files that were modified by the recipe run.org.openrewrite.table.SourcesFileResults
Source files that had search resultsSearch results that were found during the recipe run.org.openrewrite.table.SearchResults
Source files that errored on a recipeThe details of all errors produced by a recipe run.org.openrewrite.table.SourcesFileErrors
Recipe performanceStatistics used in analyzing the performance of recipes.org.openrewrite.table.RecipeRunStats